// import {constantRouterMap} from "../../src/router";

var express = require('express')
var path = require('path')
// var favicon = require('serve-favicon')
var logger = require('morgan')
var cookieParser = require('cookie-parser')
var bodyParser = require('body-parser')

var index = require('./routes/index')
var users = require('./routes/users')

var app = express()

// view engine setup
app.set('views', path.join(__dirname, 'views'))
app.set('view engine', 'ejs')

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
// 路由里面用req.cookies取到cookie的对象了
app.use(cookieParser())
app.use(express.static(path.join(__dirname, 'public')))

var GET_API = require('./public/api_router/get')
var POST_API = require('./public/api_router/post')

app.use('/', index)
app.use('/users', users)

app.use(function(req, res, next) {
  res.setHeader('Content-type', 'application/json')
  switch (req.method) {
    case 'POST' :
      POST_API(req, res, next)
      break
    case 'GET' :
      GET_API(req, res, next)
      break
  }
  // next()
})

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  console.log('gogogo')
  var err = new Error('Not Found')
  err.status = 404
  next(err)
})

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message
  res.locals.error = req.app.get('env') === 'development' ? err : {}

  // render the error page
  res.status(err.status || 500)
  res.render('error')
})

module.exports = app
